/* ===============================================
   GroundBreaker Hire Design System (Fecon-inspired)
   工业风 B2B · 强对比 · 斜切按钮 · 实心+描边大标题
   —— 静态站版本（纯 HTML + CSS + JS）
   =============================================== */

:root {
  /* === 主色：品牌红 + 工业炭灰 === */
  --c-red: #E4002B;
  --c-green: #1F5236;

  --c-ink: #0E1110;
  --c-ink-2: #1a1d1c;
  --c-slate: #2a2d2c;

  --c-steel: #4b5054;
  --c-muted: #6b7075;
  --c-line: #e2e3e1;
  --c-line-dark: #2f3335;
  --c-bg: #ffffff;
  --c-bg-soft: #f4f5f3;
  --c-bg-warm: #ebeae5;

  --font-display: 'Oswald', 'Bebas Neue', 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;

  --shadow-sm: 0 1px 3px rgba(14, 17, 16, 0.08);
  --shadow-md: 0 8px 24px rgba(14, 17, 16, 0.12);
  --shadow-lg: 0 20px 48px rgba(14, 17, 16, 0.18);

  --maxw: 1280px;
  --skew: -18deg;

  /* === 安全区（刘海屏/圆角屏） === */
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  /* iOS Safari 平滑滚动 + 点击高亮消除 */
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
  /* 兜底防止任意子元素撑出视口 */
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--c-ink);
  background: var(--c-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  /* 移动端禁用双击缩放导致的无谓延迟 */
  touch-action: manipulation;
  overflow-x: hidden;
  overflow-wrap: break-word;
}

main { flex: 1; }

/* ============ 字体层级 ============ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1;
  margin: 0 0 0.5em;
  letter-spacing: 0.01em;
  color: var(--c-ink);
  text-transform: uppercase;
}

h1 { font-size: clamp(1.9rem, 5.5vw, 4.5rem); letter-spacing: 0.02em; line-height: 1.05; }
h2 { font-size: clamp(1.6rem, 4vw, 3rem); line-height: 1.08; }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; }

a { color: var(--c-red); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; height: auto; display: block; }

/* 防止长链接/邮箱在小屏撑破布局 */
a, .hero__phone-number, .quote-contact-value { word-break: break-word; overflow-wrap: anywhere; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ============ 区块间距 ============ */
.section { padding: 80px 0; }
.section--soft { background: var(--c-bg-soft); }
.section--dark { background: var(--c-ink); color: #fff; }
.section--dark h1,
.section--dark h2,
.section--dark h3 { color: #fff; }

/* 中等屏幕（平板）适度收敛 */
@media (max-width: 1024px) {
  .section { padding: 64px 0; }
}
/* 手机进一步收敛 */
@media (max-width: 600px) {
  .section { padding: 48px 0; }
}

/* ============ 页面标题区 ============ */
.page-hero {
  background: var(--c-ink);
  color: #fff;
  padding: 96px 0 72px;
  position: relative;
  overflow: hidden;
}
.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(228, 0, 43, 0.18) 0%, transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(31, 82, 54, 0.15) 0%, transparent 60%);
  pointer-events: none;
}
.page-hero > .container { position: relative; z-index: 1; }
.page-hero h1 { color: #fff; }
.page-hero p {
  color: #d1d5db;
  font-size: 1.125rem;
  max-width: 720px;
  margin: 0;
  text-transform: none;
  font-family: var(--font-body);
  letter-spacing: 0;
  line-height: 1.6;
}

/* ============ 描边大标题 ============ */
.heading-outline {
  color: transparent;
  -webkit-text-stroke: 2px var(--c-ink);
  text-stroke: 2px var(--c-ink);
}
.heading-outline--light {
  -webkit-text-stroke-color: rgba(255, 255, 255, 0.5);
  text-stroke-color: rgba(255, 255, 255, 0.5);
}

/* 双行对比标题 */
.heading-duo {
  display: flex;
  flex-direction: column;
  gap: 0;
  line-height: 0.9;
}
.heading-duo .outline {
  color: transparent;
  -webkit-text-stroke: 1.5px currentColor;
  text-stroke: 1.5px currentColor;
  font-weight: 800;
}
.heading-duo .solid {
  color: currentColor;
  font-weight: 800;
}

/* ============ Eyebrow 小标签 ============ */
.eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-red);
  margin-bottom: 16px;
  padding-left: 28px;
  position: relative;
}
.eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 20px;
  height: 2px;
  background: var(--c-red);
  transform: translateY(-50%);
}
.section--dark .eyebrow { color: var(--c-red); }

/* ============ 按钮系统：斜切 ============ */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 20px 44px;
  color: #fff;
  cursor: pointer;
  transition: transform 0.2s ease, color 0.2s ease, background 0.2s ease;
  text-decoration: none;
  border: none;
  background: transparent;
  line-height: 1;
  overflow: visible;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:active { transform: translateY(0); transition-duration: 0.05s; }

.btn::before {
  content: "";
  position: absolute;
  top: 4px;
  bottom: 4px;
  left: 4px;
  right: 4px;
  z-index: -1;
  transform: skew(var(--skew));
  background: var(--c-red);
  transition: background 0.2s ease;
}

.btn--primary { color: #fff; }
.btn--primary::before { background: var(--c-red); }
.btn--primary:hover { color: var(--c-red); }
.btn--primary:hover::before { background: #fff; }

.btn--green { color: #fff; }
.btn--green::before { background: var(--c-green); }
.btn--green:hover { color: #fff; }
.btn--green:hover::before { background: #2A6B47; }

.btn--white { color: var(--c-ink); }
.btn--white::before { background: #fff; }
.btn--white:hover { color: #fff; }
.btn--white:hover::before { background: var(--c-red); }

.btn--outline { color: var(--c-ink); }
.btn--outline::before { background: transparent; border: 2px solid currentColor; }
.btn--outline:hover { color: var(--c-red); }
.btn--outline:hover::before { background: rgba(228, 0, 43, 0.08); border-color: var(--c-red); }

.btn--on-dark-outline { color: #fff; }
.btn--on-dark-outline::before { background: transparent; border: 2px solid #fff; }
.btn--on-dark-outline:hover { color: #fff; }
.btn--on-dark-outline:hover::before { background: var(--c-red); border-color: var(--c-red); }

.btn--sm { padding: 12px 22px; font-size: 0.8rem; }

@media (max-width: 600px) {
  .btn { width: 100%; padding: 16px 28px; }
  /* 确保所有可点击元素触控高度 ≥44px */
  .btn, .header-cta, .cookie-banner__btn { min-height: 44px; }
  .footer-col-link { padding: 10px 0; }
}

/* ============ 卡片 ============ */
.grid { display: grid; gap: 24px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); gap: 16px; }

@media (max-width: 1100px) {
  .grid--5 { grid-template-columns: repeat(3, 1fr); gap: 20px; }
}
@media (max-width: 900px) {
  .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 600px) {
  .grid--2, .grid--3, .grid--4, .grid--5 { grid-template-columns: 1fr; }
  .section { padding: 56px 0; }
  /* 手机端收紧网格/卡片内边距 */
  .grid { gap: 16px; }
  .card__body { padding: 20px; }
  .hire-card { padding: 28px 20px; }
  .form-card { padding: 24px 20px; }
  .founder-card { padding: 24px 20px; }
}

.card {
  background: #fff;
  border: 1px solid var(--c-line);
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.card__body { padding: 28px; }
.card__body h3 { margin-bottom: 10px; font-size: 1.35rem; }
.card__body p {
  color: var(--c-steel);
  margin: 0;
  text-transform: none;
  letter-spacing: 0;
  font-family: var(--font-body);
  font-weight: 400;
}

.card--dark { background: var(--c-ink); color: #fff; border-color: var(--c-line-dark); }
.card--dark .card__body h3 { color: #fff; }
.card--dark .card__body p { color: #cbd5e1; }

/* ============ 顶部公告条 ============ */
.announcement-bar {
  background: var(--c-red);
  color: #fff;
  text-align: center;
  padding: 10px 16px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

/* ============ Header ============ */
.site-header {
  background: var(--c-ink);
  color: #fff;
  position: -webkit-sticky;
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--c-line-dark);
  /* 刘海屏：顶部安全区 + sticky 顶栏内边距 */
  padding-top: var(--safe-top);
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
}
.site-header .header-actions { display: flex; align-items: center; gap: 12px; }
/* Header CTA 始终保证最小触控高度 44px（含桌面端） */
.header-cta { min-height: 44px; }

/* Header 品牌 */
.header-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; flex-shrink: 0; }
.header-brand:hover { text-decoration: none; }
.header-brand__text { display: flex; flex-direction: column; line-height: 1.1; }
.header-brand__strong { font-weight: 700; font-size: 1.05rem; color: #fff; letter-spacing: 0.04em; font-family: var(--font-display); }
.header-brand__hire { font-weight: 700; font-size: 1.05rem; color: var(--c-red); letter-spacing: 0.04em; font-family: var(--font-display); }

@media (max-width: 560px) {
  .header-cta {
    /* 手机端保留 CTA，但缩小为紧凑按钮，避免挤压品牌 */
    padding: 10px 16px !important;
    font-size: 0.72rem !important;
    letter-spacing: 0.03em;
  }
  .header-brand__hire { display: none; }
  .header-brand svg { width: 30px; height: 30px; }
  .header-brand__strong { font-size: 0.92rem; }
  .site-header__inner { gap: 12px; padding: 12px 0; }
}

/* ============ 无障碍 ============ */
:focus-visible { outline: 3px solid var(--c-red); outline-offset: 3px; }

/* ============ 页脚 ============ */
.site-footer { background: #0E1110; color: #e2e8f0; }
.footer-cta {
  background: #E4002B;
  border-top: 4px solid #8C0019;
  border-bottom: 4px solid #8C0019;
}
.footer-cta__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 40px 24px;
  flex-wrap: wrap;
}
.footer-cta__eyebrow {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: #fff;
  margin-bottom: 8px;
  text-transform: uppercase;
  opacity: 0.85;
}
.footer-cta h2 {
  color: #fff;
  margin: 0;
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}
.footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.footer-desc { color: #9ca3af; font-size: 0.95rem; max-width: 320px; line-height: 1.6; font-family: var(--font-body); text-transform: none; letter-spacing: 0; }
.footer-certs { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 20px; }
.footer-cert {
  font-size: 0.7rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  color: #d1d5db;
  border: 1px solid #2f3335;
  padding: 5px 12px;
  text-transform: uppercase;
}
.footer-col-title {
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.95rem;
  margin-bottom: 18px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 700;
}
.footer-col-link {
  display: block;
  color: #d1d5db;
  text-decoration: none;
  font-size: 0.92rem;
  padding: 6px 0;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}
.footer-col-link:hover { color: #E4002B; text-decoration: none; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid #2f3335;
  padding: 24px 0;
  margin-top: 60px;
}

@media (max-width: 900px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 600px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-cta__inner { flex-direction: column; align-items: flex-start; gap: 20px; padding: 32px 20px; }
  .footer-cta__inner .btn { width: 100%; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; margin-top: 40px; }
}

/* ============ 响应式网格布局 ============ */
.home-hero-inner, .home-split { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: center; }
@media (max-width: 900px) { .home-hero-inner, .home-split { grid-template-columns: 1fr; gap: 32px; } }

/* 首页 Hero：已移除右侧挖机图，改为单列文本布局 */
.home-hero-inner { grid-template-columns: 1fr; max-width: 760px; }

.product-detail-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) {
  .product-detail-grid { grid-template-columns: 1fr; gap: 32px; }
  .product-detail-grid .sticky-col { position: static !important; }
}

.two-col { display: grid; grid-template-columns: 1.2fr 1fr; gap: 56px; align-items: start; }
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; gap: 32px; } }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
@media (max-width: 600px) { .form-row { grid-template-columns: 1fr; } }

/* ============ 表单 ============ */
.form-control {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--c-line);
  background: #fff;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--c-ink);
  outline: none;
  transition: border-color 0.15s ease;
  border-radius: 0;
  appearance: none;
  -webkit-appearance: none;
}
.form-control:focus { border-color: var(--c-red); }
/* 移动端：输入框字号 ≥16px，避免 iOS 聚焦时自动缩放页面 */
@media (max-width: 600px) {
  .form-control { font-size: 16px; }
  textarea.form-control { min-height: 110px; }
}

label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--c-steel);
}

/* ============ 移动端优化 ============ */
@media (max-width: 600px) {
  .container { padding: 0 20px; }
  .page-hero { padding: 56px 0 48px; }
  .page-hero p { font-size: 1rem; }
}
@media (max-width: 900px) and (min-width: 601px) {
  .container { padding: 0 28px; }
  .section { padding: 64px 0; }
}
@media (min-width: 1400px) {
  :root { --maxw: 1320px; }
  .section { padding: 100px 0; }
}

/* ============ Hero 装饰大字背景 ============ */
.hero-display-bg {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(8rem, 22vw, 18rem);
  line-height: 0.85;
  letter-spacing: -0.02em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.08);
  text-stroke: 1px rgba(255, 255, 255, 0.08);
  pointer-events: none;
  user-select: none;
  z-index: 0;
}
.hero-display-bg--center {
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: clamp(10rem, 24vw, 22rem);
  -webkit-text-stroke: 1.5px rgba(228, 0, 43, 0.12);
  text-stroke: 1.5px rgba(228, 0, 43, 0.12);
  white-space: nowrap;
}

/* 手机端：装饰大字大幅缩小，避免横向溢出裁切 */
@media (max-width: 600px) {
  .hero-display-bg { font-size: clamp(4.5rem, 20vw, 8rem) !important; }
  .hero-display-bg--center { font-size: clamp(5rem, 26vw, 10rem) !important; }
}

/* ============ 首页 Hero ============ */
.hero {
  background: #0E1110;
  color: #fff;
  padding: 80px 0 96px;
  position: relative;
  overflow: hidden;
}
@media (max-width: 600px) {
  .hero { padding: 48px 0 56px; }
  .hero__sub { font-size: 0.98rem; margin-bottom: 24px; }
  .hero__actions { gap: 12px; }
}
.hero__bg {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  filter: grayscale(0.3);
}
.hero__bg img { width: 100%; height: 100%; object-fit: cover; opacity: 0.28; }
.hero__gradient {
  position: absolute;
  inset: 0;
  z-index: 0;
  background: linear-gradient(90deg, rgba(14,17,16,0.92) 0%, rgba(14,17,16,0.7) 60%, rgba(14,17,16,0.4) 100%);
}
.hero__inner { position: relative; z-index: 1; }
.hero__sub {
  color: #cbd5e1;
  font-size: 1.1rem;
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 560px;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 32px; }
.hero__phone { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }.hero__phone-label {
  background: #E4002B;
  color: #fff;
  padding: 4px 10px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.hero__phone-number {
  color: #fff;
  font-weight: 700;
  font-size: 1.15rem;
  text-decoration: none;
  font-family: var(--font-display);
  letter-spacing: 0.04em;
  word-break: break-all;
}
.hero-card {
  background: #fff;
  overflow: hidden;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
  position: relative;
}
.hero-card__tag {
  position: absolute;
  top: 16px;
  left: 0;
  background: #E4002B;
  color: #fff;
  padding: 6px 18px;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  z-index: 2;
}
.hero-card__meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  border-top: 1px solid #e2e3e1;
  gap: 12px;
  flex-wrap: wrap;
}

/* ============ 信任条 ============ */
.trust-bar { background: #E4002B; color: #fff; }
.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 40px;
  align-items: center;
  padding: 20px 24px;
}
.trust-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: #fff;
  font-size: 0.92rem;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
@media (max-width: 600px) {
  .trust-bar__inner { gap: 12px 20px; padding: 16px 20px; }
  .trust-item { font-size: 0.8rem; gap: 8px; }
  .trust-item svg { width: 18px; height: 18px; }
}

/* ============ 区块标题行 ============ */
/* 标题在上，说明文字在标题下方（左对齐，上下竖排） */
.section-head-row {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 48px; /* 标题行与下方内容的统一间距 */
}
/* 标题行右侧/下方的说明文字：统一宽度与排版 */
.section-head-row > p {
  max-width: 560px;
  margin: 0;
  color: #6b7280;
  font-size: 1rem;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.7;
}
/* 深色区块内的说明文字调浅 */
.section--dark .section-head-row > p { color: #9ca3af; }

/* ============ 产品图片容器 ============ */
.product-img {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #ebeae5;
  position: relative;
}
.product-img--dark { background: #1f2221; }
.product-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.product-img--dark::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(14,17,16,0.15) 0%, rgba(14,17,16,0.55) 100%);
}

/* 卡片内的吨位标签 */
.tonnage-badge {
  font-size: 0.72rem;
  font-weight: 700;
  color: #E4002B;
  white-space: nowrap;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  border: 1px solid #E4002B;
  padding: 4px 10px;
}

/* 卡片链接箭头 */
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 700;
  color: #E4002B;
  font-size: 0.85rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}

/* 设备卡片标题行 */
.card-head-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 8px;
  gap: 12px;
}

/* ============ Why Us 卡片 ============ */
.why-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  color: #E4002B;
  line-height: 1;
  display: block;
  margin-bottom: 12px;
}

/* ============ CTA 区块 ============ */
.cta-section {
  padding: 88px 0;
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
}
.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(circle at 80% 30%, rgba(228, 0, 43, 0.15) 0%, transparent 60%);
}
.cta-section .container { text-align: center; max-width: 760px; position: relative; }
.cta-section p.cta-sub {
  color: #cbd5e1;
  font-size: 1.05rem;
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.6;
}
.cta-section .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.cta-section .cta-email {
  margin-top: 28px;
  color: #9ca3af;
  font-size: 0.9rem;
  font-family: var(--font-display);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.cta-section .cta-email a { color: #E4002B; font-weight: 700; text-decoration: none; margin-left: 6px; }

/* ============ 规格表 ============ */
.spec-table { width: 100%; border-collapse: collapse; background: #fff; border: 1px solid #e2e3e1; }
.spec-table tr { border-bottom: 1px solid #e2e3e1; }
.spec-table th {
  text-align: left;
  padding: 14px 18px;
  background: #f4f5f3;
  font-weight: 700;
  color: #0E1110;
  width: 38%;
  font-size: 0.85rem;
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.spec-table td {
  padding: 14px 18px;
  color: #374151;
  font-size: 0.95rem;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}

/* ============ 要点列表 ============ */
.feature-list { list-style: none; padding: 0; margin: 0; }
.feature-list li { display: flex; gap: 14px; margin-bottom: 14px; align-items: flex-start; }
.feature-list svg { flex-shrink: 0; margin-top: 1px; }
.feature-list span { color: #374151; line-height: 1.6; font-size: 0.95rem; }

/* ============ 徽章 ============ */
.machine-badge {
  background: #f5f6f3;
  border: 1px solid #e2e3e1;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #0E1110;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.app-badge {
  background: #fff;
  border: 1px solid #e2e3e1;
  padding: 6px 14px;
  font-size: 0.85rem;
  font-weight: 700;
  color: #0E1110;
  font-family: var(--font-display);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.badge-row { display: flex; flex-wrap: wrap; gap: 10px; }

/* ============ 报价卡片 ============ */
.quote-card {
  background: #0E1110;
  color: #fff;
  padding: 28px;
  margin-top: 24px;
  border-top: 4px solid #E4002B;
}

/* ============ 详情页头部 ============ */
.detail-head {
  background: #0E1110;
  padding: 64px 0 48px;
  position: relative;
  overflow: hidden;
}
.detail-head__inner { display: flex; gap: 32px; align-items: center; flex-wrap: wrap; }
.detail-head__breadcrumb {
  margin-bottom: 16px;
  font-size: 0.78rem;
  font-family: var(--font-display);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.detail-head__breadcrumb a { color: #9ca3af; text-decoration: none; }
.detail-head__breadcrumb .sep { color: #475569; margin: 0 8px; }
.detail-head__breadcrumb .current { color: #E4002B; }
.detail-head h1 { color: #fff; margin-bottom: 12px; }
.detail-head p {
  color: #cbd5e1;
  font-size: 1.15rem;
  margin: 0;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.6;
}

/* ============ 关于页时间线 ============ */
.timeline {
  position: relative;
  padding-left: 40px;
  border-left: 3px solid #E4002B;
}
.timeline-item { position: relative; margin-bottom: 36px; }
.timeline-item::before {
  content: "";
  position: absolute;
  left: -52px;
  top: 6px;
  width: 18px;
  height: 18px;
  background: #E4002B;
  border: 4px solid #fff;
  box-shadow: 0 0 0 2px #E4002B;
}
.timeline-year {
  font-size: 1.8rem;
  color: #E4002B;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.04em;
  display: block;
  margin-bottom: 6px;
}
.timeline-event {
  color: #374151;
  margin: 0;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.6;
}

/* ============ 关于页团队图 ============ */
.team-img-wrap { position: relative; margin-top: 28px; margin-bottom: 8px; overflow: hidden; }
.team-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; filter: grayscale(0.2); }
.team-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, rgba(14,17,16,0) 0%, rgba(14,17,16,0.85) 100%);
  padding: 28px 16px 12px;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

/* ============ 能力卡片 ============ */
.cap-card {
  background: #0E1110;
  color: #fff;
  padding: 36px;
  border-top: 4px solid #E4002B;
}
.cap-row { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; }
.cap-num {
  font-family: var(--font-display);
  font-weight: 700;
  color: #E4002B;
  font-size: 1.1rem;
  min-width: 30px;
  letter-spacing: 0.04em;
}

/* ============ 联系页 ============ */
.contact-info-block { display: flex; gap: 18px; align-items: flex-start; margin-bottom: 24px; }
.contact-info-icon {
  width: 48px;
  height: 48px;
  background: #0E1110;
  color: #E4002B;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 4px;
}
.contact-info-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #0E1110;
}
.contact-email-link {
  display: block;
  font-family: var(--font-display);
  font-weight: 700;
  color: #E4002B;
  font-size: 1.3rem;
  letter-spacing: 0.04em;
  text-decoration: none;
  margin-top: 4px;
}

/* 联系表单卡片（深色） */
.form-card {
  background: #0E1110;
  color: #fff;
  padding: 36px;
  border-top: 4px solid #E4002B;
}
.form-card label { color: #fff; }
.form-card .form-control {
  background: #1a1d1c;
  border-color: #2f3335;
  color: #fff;
}
.form-field { margin-bottom: 18px; }
.form-success { text-align: center; padding: 60px 20px; }
.form-success-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: #E4002B;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
}
.form-error {
  color: #ff6b6b;
  font-size: 0.88rem;
  margin: 0 0 14px;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  line-height: 1.5;
}

/* ============ 404 页面 ============ */
.notfound {
  padding: 120px 0;
  text-align: center;
  background: #0E1110;
  color: #fff;
  min-height: calc(100vh - 200px);
  position: relative;
  overflow: hidden;
}
.notfound__bg {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(12rem, 30vw, 28rem);
  line-height: 0.85;
  color: transparent;
  -webkit-text-stroke: 2px rgba(228, 0, 43, 0.15);
  text-stroke: 2px rgba(228, 0, 43, 0.15);
  pointer-events: none;
  user-select: none;
  white-space: nowrap;
}

/* ============ 工具类 ============ */
.text-red { color: #E4002B; }
.text-muted { color: #6b7280; }
.text-light { color: #cbd5e1; }
.mb-0 { margin-bottom: 0; }

/* ============ 挖机吨位型号卡片（突出 10t/20t/30t/45t） ============ */
.excavator-tonnage {
  display: inline-block;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.1rem;
  line-height: 1;
  color: #E4002B;
  letter-spacing: 0.02em;
}

.excavator-card .card__body h3 {
  font-size: 1.15rem;
}

.excavator-card .product-img {
  aspect-ratio: 4/3;
}

/* 吨位型号详情页：大号吨位标题行 */
.fleet-spec-hero {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}

.fleet-spec-hero .fleet-spec-tonnage {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 3.4rem;
  line-height: 1;
  color: #E4002B;
  letter-spacing: 0.02em;
}

/* ============ 首页：Wet Hire vs Dry Hire 对比 ============ */
.hire-toggle {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}
.hire-card {
  flex: 1 1 320px;
  background: #fff;
  border: 1px solid #e2e3e1;
  padding: 36px;
  position: relative;
}
.hire-card--dark {
  background: var(--c-ink);
  color: #fff;
  border-color: var(--c-line-dark);
}
.hire-card__tag {
  position: absolute;
  top: 0;
  left: 0;
  background: #E4002B;
  color: #fff;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  padding: 6px 14px;
  text-transform: uppercase;
}
.hire-card h3 {
  font-size: 1.6rem;
  margin: 0 0 8px;
}
.hire-card--dark h3 { color: #fff; }
.hire-card__sub {
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0 0 20px;
  text-transform: none;
  letter-spacing: 0;
}
.hire-card--dark .hire-card__sub { color: #cbd5e1; }
.hire-card--light .hire-card__sub { color: #6b7280; }
.hire-card ul {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.hire-card ul li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-bottom: 12px;
  font-size: 0.95rem;
  line-height: 1.5;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}
.hire-card--dark ul li { color: #e5e7eb; }
.hire-card--light ul li { color: #374151; }
.hire-card ul li svg { flex-shrink: 0; margin-top: 2px; }

/* ============ 首页：完整机队网格卡片 ============ */
.fleet-card {
  display: flex;
  flex-direction: column;
}
.fleet-card__img {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: #ebeae5;
  position: relative;
}
.fleet-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.fleet-card:hover .fleet-card__img img { transform: scale(1.05); }
.fleet-card .card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
}
.fleet-card .tonnage-badge {
  margin-bottom: 14px;
  display: inline-block;
  align-self: flex-start;
}
.fleet-card h3 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  line-height: 1.25;
  letter-spacing: 0.02em;
  /* 长标题在窄列里优先保持单行，兜底换行避免溢出 */
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
/* 5 列窄卡减小内边距，给标题腾出单行空间 */
.fleet-card .card__body { padding: 18px; }
.fleet-card .card__body p {
  color: #6b7280;
  line-height: 1.65;
  margin: 0 0 16px;
  font-size: 0.92rem;
}
.fleet-card .card-link { margin-top: auto; }

/* ===== 创始人区块 ===== */
.founder-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.founder-card {
  background: #fff;
  border: 1px solid var(--c-line);
  padding: 36px;
  border-radius: 4px;
  box-shadow: var(--shadow-sm);
}
.founder-photo-wrap {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  overflow: hidden;
  margin-bottom: 20px;
  border: 3px solid var(--c-line);
  background: var(--c-bg-soft);
}
.founder-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 25%;
  display: block;
}
.founder-name {
  font-size: 1.5rem;
  margin: 0 0 4px;
  color: var(--c-ink);
}
.founder-role {
  color: var(--c-red);
  font-family: var(--font-display);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  margin: 0 0 16px;
}
.founder-bio {
  color: #4b5054;
  line-height: 1.7;
  margin: 0;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.98rem;
}

/* 响应式：移动端折叠 */
@media (max-width: 768px) {
  .founder-grid { grid-template-columns: 1fr; }
  .quote-grid { grid-template-columns: 1fr; gap: 32px; }
  .section-head-row { margin-bottom: 32px; gap: 12px; }
}
@media (max-width: 600px) {
  .founder-card { text-align: center; }
  .founder-photo-wrap { margin-left: auto; margin-right: auto; }
  .quote-contact { gap: 16px; }
  .quote-contact-value { font-size: 1.05rem; word-break: break-all; }
}

/* ===== 报价区（CTA + 表单） ===== */
#quote.cta-section .container {
  max-width: 1280px;
  text-align: left;
}
.quote-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.quote-copy .cta-sub {
  margin-left: 0;
  margin-right: 0;
  max-width: 520px;
}
.quote-contact {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.quote-contact-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.quote-contact-item svg { flex-shrink: 0; margin-top: 2px; }
.quote-contact-label {
  display: block;
  color: #9ca3af;
  font-size: 0.78rem;
  font-family: var(--font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 4px;
}
.quote-contact-value {
  color: #E4002B;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
}
.quote-contact-address {
  color: #cbd5e1;
  line-height: 1.6;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  font-size: 0.95rem;
}
#quote .form-card {
  margin: 0;
  text-align: left;
}

/* ===============================================
   Cookie 同意横幅
   —— 底部固定全宽横条，接受后 localStorage 持久化
   =============================================== */
.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  width: 100%;
  background: var(--c-ink);
  color: #fff;
  border-top: 1px solid var(--c-line-dark);
  box-shadow: 0 -8px 32px rgba(14, 17, 16, 0.22);
  padding: 20px 32px;
  /* 刘海屏底部安全区：横幅内容不被 Home 指示条遮挡 */
  padding-bottom: calc(20px + var(--safe-bottom));
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity .35s ease, transform .35s ease;
  pointer-events: none;
}
.cookie-banner.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.cookie-banner__body {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}
.cookie-banner__title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin: 0;
}
.cookie-banner__title span { color: var(--c-red); }
.cookie-banner__text {
  color: #cbd5e1;
  font-size: 0.88rem;
  line-height: 1.6;
  margin: 0;
  font-family: var(--font-body);
  text-transform: none;
  letter-spacing: 0;
}
.cookie-banner__text a {
  color: var(--c-red);
  text-decoration: underline;
  text-underline-offset: 2px;
}
.cookie-banner__actions {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-shrink: 0;
}
.cookie-banner__btn {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  padding: 12px 22px;
  transition: background .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.cookie-banner__btn--accept {
  background: var(--c-red);
  color: #fff;
}
.cookie-banner__btn--accept:hover { background: #b30021; }
.cookie-banner__btn--decline {
  background: transparent;
  color: #cbd5e1;
  border: 1px solid var(--c-line-dark);
}
.cookie-banner__btn--decline:hover {
  border-color: #cbd5e1;
  color: #fff;
}
@media (max-width: 720px) {
  .cookie-banner {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    padding: 18px 20px;
    padding-bottom: calc(18px + var(--safe-bottom));
  }
  .cookie-banner__actions {
    flex-direction: column;
    align-items: stretch;
  }
  .cookie-banner__btn { text-align: center; }
}

/* ===============================================
   横竖屏切换 & 移动端浏览器兼容
   =============================================== */

/* iOS Safari 100vh 问题：用 dvh 动态视口高度兜底 */
@supports (height: 100dvh) {
  body { min-height: 100dvh; }
}

/* 横屏手机（宽>高，且高度较小）：收紧垂直间距，避免内容堆叠过高 */
@media (max-width: 920px) and (orientation: landscape) and (max-height: 520px) {
  .hero { padding: 32px 0 40px; }
  .section { padding: 40px 0; }
  .hero__sub { margin-bottom: 20px; }
  .hero__actions { margin-bottom: 20px; }
  .announcement-bar { font-size: 0.68rem; padding: 6px 12px; }
  .site-header__inner { padding: 10px 0; }
}

/* 横屏平板/桌面：确保装饰大字不越界 */
@media (orientation: landscape) and (max-height: 480px) {
  .hero-display-bg { font-size: clamp(3.5rem, 16vw, 7rem) !important; }
}

/* 尊重系统"减少动态效果"偏好（无障碍） */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
}

/* 老版 iOS / Android 浏览器：flex gap 不支持时降级（用 margin 兜底不影响已有 gap） */
@supports not (gap: 1rem) {
  .hero__actions > * + * { margin-left: 12px; }
  .trust-bar__inner > * + * { margin-left: 20px; }
}

/* 打印样式：隐藏固定元素，避免打印时遮挡 */
@media print {
  .site-header, .announcement-bar, .cookie-banner, .footer-cta { display: none !important; }
}